/*
 * Evelyn 版权所有 2022-3-22
 */
package cn.edu.tyu.finance.thingstype.dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import cn.edu.tyu.finance.thingstype.domain.Users;
import cn.edu.tyu.finance.util.DbUtil;
/**
*
 * @author  Evelyn
 *@version 1.0
 */
public class UserDaoImpl {
	public int addUser(Users users) throws SQLException {
		//获取到数据库的连接
		Connection conn = DbUtil.getConnection();
		//编写sql语句
		String sql="Insert into users values(?,?,?)";
		//把sql语句作为参数传进去
		PreparedStatement ps = conn.prepareStatement(sql);
		//设置参数  赋值到 ？值
		ps.setString(1, users.getUserid());
		ps.setString(2, users.getUsername());
		ps.setString(3, users.getUserpsw());
		//执行sql语句,返回影响的行数
		int res = ps.executeUpdate();
		//释放数据库的连接
		DbUtil.backConn(conn, ps, null);
		return res;
		
	}
	//测试类
	public static void main(String[] args) throws SQLException {
		UserDaoImpl userDao=new UserDaoImpl();
		Users users=new Users();
		users.setUserid("1");
		users.setUsername("张三");
		users.setUserpsw("123456");
		int res=userDao.addUser(users);
		System.out.println("res="+res);
	}
}

















